Envirotuff V Foil S302A1 is a reflective insulation designed to effectively reflect radiant heat, through its low-emittance, double-sided reflective aluminium foil surfaces. This product features a 7-layer laminated structure, composed of a fire-retardant 10mm diameter bubble pack, reinforced with fiberglass scrim, and bonded with a specialized fire-retardant adhesive for enhanced durability and thermal efficiency.